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tweaks: create an undo item earlier, and discard it when needed

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This avoids having to temporariyly store and then later fill in
the original cursor position.
This commit is contained in:
Benno Schulenberg 2020-03-08 13:37:53 +01:00
parent 2428c5cbe6
commit db7a49edc6
1 changed files with 5 additions and 14 deletions
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19
src/text.c
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@ -1737,10 +1737,6 @@ void do_justify(bool full_justify)
bool ends_at_eol = FALSE;
/* Whether the end of the marked region is at the end of a line. */
/* Stash the cursor position, to be stored in the undo item. */
ssize_t was_lineno = openfile->current->lineno;
size_t was_current_x = openfile->current_x;
/* We need these to hold the leading part (quoting + indentation) of the
* line where the marked text begins, whether or not that part is covered
* by the mark. */
@ -1751,9 +1747,9 @@ void do_justify(bool full_justify)
* the marked text begins (if any). */
char *the_second_lead = NULL;
size_t second_lead_len = 0;
#endif
#ifndef NANO_TINY
add_undo(COUPLE_BEGIN, N_("justification"));
/* If the mark is on, do as Pico: treat all marked text as one paragraph. */
if (openfile->mark) {
size_t quote_len;
@ -1764,6 +1760,7 @@ void do_justify(bool full_justify)
/* When the marked region is empty, do nothing. */
if (first_par_line == last_par_line && top_x == bot_x) {
statusline(NOTICE, _("Nothing changed"));
discard_until(openfile->undotop->next);
return;
}
@ -1794,7 +1791,7 @@ void do_justify(bool full_justify)
the_second_lead[second_lead_len] = '\0';
}
} else
#endif
#endif /* NANO_TINY */
{
size_t jus_len;
/* The number of lines we're storing in the current cutbuffer. */
@ -1812,6 +1809,7 @@ void do_justify(bool full_justify)
if (!find_paragraph(&openfile->current, &par_len)) {
openfile->current_x = strlen(openfile->filebot->data);
refresh_needed = TRUE;
discard_until(openfile->undotop->next);
return;
}
@ -1837,15 +1835,8 @@ void do_justify(bool full_justify)
}
#ifndef NANO_TINY
add_undo(COUPLE_BEGIN, N_("justification"));
/* Store the original cursor position, in case we unjustify. */
openfile->undotop->head_lineno = was_lineno;
openfile->undotop->head_x = was_current_x;
add_undo(CUT, NULL);
#endif
/* Do the equivalent of a marked cut into an empty cutbuffer. */
cutbuffer = NULL;
extract_segment(first_par_line, top_x, last_par_line, bot_x);